Structure and Variability of the Meridional Overturning Circulation in the North Atlantic Subpolar Gyre, 2007–2017

The vertical structure and interannual and long-term variability of the meridional overturning circulation in the North Atlantic Subpolar Gyre is analyzed. A close relationship between deep winter convection in the Irminger Sea and the MOC intensity is shown. The revealed significant correlation bet...

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Bibliographic Details
Published in:Doklady earth sciences 2018-12, Vol.483 (2), p.1524-1527
Main Authors: Gladyshev, S. V., Gladyshev, V. S., Gulev, S. K., Sokov, A. V.
Format: Article
Language:English
Subjects:
Atlantic Meridional Overturning Circulation (AMOC)
Atmospheric circulation
Atmospheric circulation effects
Atmospheric forcing
Convection
Earth and Environmental Science
Earth Sciences
Heat flow
Heat transmission
North Atlantic Oscillation
Ocean currents
Ocean-atmosphere system
Oceanology
Variability
Vertical profiles
Winter
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Summary:The vertical structure and interannual and long-term variability of the meridional overturning circulation in the North Atlantic Subpolar Gyre is analyzed. A close relationship between deep winter convection in the Irminger Sea and the MOC intensity is shown. The revealed significant correlation between the winter North Atlantic Oscillation Index and the summer MOC shifted by 3.5 years argues for an atmospheric circulation effect on the variability of the oceanic meridional heat flow.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X18120024